Home / 21,324,357.36-31,986,497.16-6,947,408.16

Finding the Fourth Proportional to 21,324,357.36, 31,986,497.16 and 6,947,408.16

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Solution

The fourth proportional to 21,324,357.36, 31,986,497.16 and 6,947,408.16 is: 10,421,099.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,324,357.36 : 31,986,497.16 = 6,947,408.16 : x
  2. Step 2: Convert to fraction form
    21,324,357.36/31,986,497.16 = 6,947,408.16/x
  3. Step 3: Cross multiply
    21,324,357.36x = 31,986,497.16 × 6,947,408.16
  4. Step 4: Simplify right side
    21,324,357.36x = 222,223,251,379,200.84
  5. Step 5: Solve for x
    x = 222,223,251,379,200.84/21,324,357.36
  6. Step 6: Final answer
    x = 10,421,099.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.